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From: jas@ISI.EDU (Jeff Sullivan)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Mac II - Floppy upgrade
Message-ID: <17613@venera.isi.edu>
Date: 17 Apr 91 20:44:49 GMT
References: <3070@sparko.gwu.edu> <4943@dftsrv.gsfc.nasa.gov>
Sender: news@isi.edu
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In-reply-to: jim@jagubox.gsfc.nasa.gov's message of 17 Apr 91 16:48:33 GMT

In article <4943@dftsrv.gsfc.nasa.gov> jim@jagubox.gsfc.nasa.gov (Jim Jagielski) writes:

>In article <3070@sparko.gwu.edu> waire@seas.gwu.edu (Timothy A. Waire Jr.) writes:
>}What would it take to upgrade a Mac II floppy so that it was capable of
>}reading high-density disk, as well as work with Apple File Exchange?
>}
>}Is there a standard Apple upgrade for this?
>}
>
>yep... it's called the MacII FDHD ROM Upgrade. It includes new IIx-type ROMS
>as well as a new SWIM (floppy controller) chip. This is required to USE the
>"new" FDHD SuperDrive drives. However, you must then buy the FDHD DRIVE itself.
>The ROM upgrade doesn't make your 800K drive able to read/write the 1.4M
>format, it just enables you to use the type drives that can!
>
>Price: ROM Upgrade ~$70 - ~$100 (w/ return of old chips)
>     FDHD drive ~$350 - ~$450
>}
>}Thanks!
>
>Yer welcome!
>


Does this turn my II into a (slightly) faster IIx?  Is there any other
difference but the FDHD capacity?  Is the update 32-bit clean? (ha!)

jas
--
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Jeffrey A. Sullivan		| Senior Systems Programmer
jas@venera.isi.edu		| Information Sciences Institute
jas@isi.edu                    	| University of Southern California